Remove the old PPB_Flash proxy.

ppapi/thunk/ppb_flash_thunk.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/logging.h"
 #include "ppapi/c/pp_array_output.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/private/ppb_flash.h"
 #include "ppapi/shared_impl/ppapi_globals.h"
 #include "ppapi/shared_impl/proxy_lock.h"
 #include "ppapi/shared_impl/var.h"
 #include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppb_flash_api.h"
 #include "ppapi/thunk/ppb_flash_functions_api.h"
 #include "ppapi/thunk/ppb_instance_api.h"
 #include "ppapi/thunk/ppb_video_capture_api.h"
 #include "ppapi/thunk/thunk.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
@@ skipping 223 matching lines @@
 const PPB_Flash_12_6* GetPPB_Flash_12_6_Thunk() {
   return &g_ppb_flash_12_6_thunk;
 }
 
 const PPB_Flash_13_0* GetPPB_Flash_13_0_Thunk() {
   return &g_ppb_flash_13_0_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi